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authorMartin K. Petersen <martin.petersen@oracle.com>2023-05-31 20:19:31 -0400
committerMartin K. Petersen <martin.petersen@oracle.com>2023-05-31 20:19:31 -0400
commitbc5fef019632d89183d9946150b775635ca73981 (patch)
treebdefc9d7ac93996b3ff9277b5225cbd76231caef /include/ufs/ufshcd.h
parent14ce2c261d6cce89023a1df770d83df859e89f7e (diff)
parentab248643d3d68b30f95ee9c238a5a20a06891204 (diff)
Merge patch series "ufs: core: mcq: Add ufshcd_abort() and error handler support in MCQ mode"
Bao D. Nguyen <quic_nguyenb@quicinc.com> says: This patch series enables support for ufshcd_abort() and error handler in MCQ mode. Link: https://lore.kernel.org/r/cover.1685396241.git.quic_nguyenb@quicinc.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/ufs/ufshcd.h')
-rw-r--r--include/ufs/ufshcd.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index 8039c2b72502..31cc7e661fbc 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -1087,6 +1087,7 @@ struct ufs_hba {
* @cq_tail_slot: current slot to which CQ tail pointer is pointing
* @cq_head_slot: current slot to which CQ head pointer is pointing
* @cq_lock: Synchronize between multiple polling instances
+ * @sq_mutex: prevent submission queue concurrent access
*/
struct ufs_hw_queue {
void __iomem *mcq_sq_head;
@@ -1105,6 +1106,8 @@ struct ufs_hw_queue {
u32 cq_tail_slot;
u32 cq_head_slot;
spinlock_t cq_lock;
+ /* prevent concurrent access to submission queue */
+ struct mutex sq_mutex;
};
static inline bool is_mcq_enabled(struct ufs_hba *hba)
@@ -1240,7 +1243,7 @@ void ufshcd_update_evt_hist(struct ufs_hba *hba, u32 id, u32 val);
void ufshcd_hba_stop(struct ufs_hba *hba);
void ufshcd_schedule_eh_work(struct ufs_hba *hba);
void ufshcd_mcq_write_cqis(struct ufs_hba *hba, u32 val, int i);
-unsigned long ufshcd_mcq_poll_cqe_nolock(struct ufs_hba *hba,
+unsigned long ufshcd_mcq_poll_cqe_lock(struct ufs_hba *hba,
struct ufs_hw_queue *hwq);
void ufshcd_mcq_enable_esi(struct ufs_hba *hba);
void ufshcd_mcq_config_esi(struct ufs_hba *hba, struct msi_msg *msg);